<div class="page-head">
    <div class="page-title edit-box" contenteditable="true" (input)="onChange($event)">{{ title }}</div>  
    <div class="page-info">
        <h5>创建于{{ createdOn }}&nbsp;|&nbsp;最后修改于{{ updatedOn }}</h5>
        <h4> {{ taggs }} </h4>
    </div>  
</div>